KEHIPI
KEHIPI LM2596 Buck Converter 4-32V to 1.25-30V 3A LED Display Pack of 2
Adjustable buck converter steps DC 4.0-32.0 V down to 1.25-30.0 V at up to 3 A with LED readout of voltage and current, pack of two
- Dimensions1.3 in x 3.4 in x 1.3 in
- Adjustable output from 1.25V to 30.0V for versatile power needs
- LED display shows input voltage, output voltage and current at a glance
- Input reverse-connection and short-circuit protection guards connected circuits
- On/off button lets you disable output without unplugging the supply
- Pack of two identical 3A step-down modules ready for parallel projects
KEHIPI LM2596 Buck Converter Pack
This pack contains two adjustable DC-DC step-down modules based on the LM2596 topology. Each unit accepts an input range of 4.0V to 32.0V and delivers a regulated output from 1.25V to 30.0V at up to 3A peak. A built-in LED display shows input voltage, output voltage and output current, selectable via a MODE button. An ON/OFF button toggles the output without disconnecting power leads.
Hobbyists and bench prototyping
The modules suit hobbyists, students and engineers who need a compact, readable buck converter for breadboard work, battery projects or fixed-voltage rails up to 20W continuous. They are not intended for buyers who require isolated outputs, synchronous rectification for higher efficiency, or continuous currents above 1.5A without additional heatsinking. The screw-terminal wiring and potentiometer adjustment favour manual setup over automated control.
1.5A continuous current limit
The key specification is the 1.5A continuous operating rating, with total output power kept within 20W. Peak current reaches 3A only for short durations. If the load regularly exceeds 1.5A or 20W, the regulator will overheat and shut down. Verify the actual load profile against this limit before committing the module to a design.
Highlights
- Adjustable output from 1.25V to 30.0V for versatile power needs
- LED display shows input voltage, output voltage and current at a glance
- Input reverse-connection and short-circuit protection guards connected circuits
- On/off button lets you disable output without unplugging the supply
- Pack of two identical 3A step-down modules ready for parallel projects
Specifications
| Brand | DROK |
|---|---|
| Part Number | 180057_2x |
| Dimensions | 1.3 in x 3.4 in x 1.3 in |
Questions about this item
How do I wire the IN+ IN- and OUT+ OUT- terminals on the LM2596 buck converter and what step do people miss?
Connect IN+ and IN- to a DC source between 4.0V and 32.0V, then connect OUT+ and OUT- to the load. The step often missed is setting the output voltage with the screw potentiometer before powering the load, and remembering the output must stay at least 2V below the input.
What maintenance or replacement will the LM2596 module need after extended use?
The module has no user-serviceable parts and no specified wear items. Keep the screw potentiometer and buttons free of dust, ensure wiring stays tight, and operate within the 1.5A continuous current limit so the 20W power ceiling is not exceeded.
What is the first limit reached when running the converter continuously at high load?
The continuous operating current of 1.5A (total output power within 20W) is the first sustained-use limit; exceeding it risks overheating even though the peak rating is 3A.
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